1 <?xml version="1.0" encoding="utf-8"?>

     2 

     3 <set xmlns:android="http://schemas.android.com/apk/res/android">

     4     <rotate android:fromDegrees="0" android:toDegrees="360"

     5 	android:pivotX="50%" android:pivotY="50%"

     6 	android:duration="5000"

     7 	android:repeatMode="restart"

     8 	android:repeatCount="infinite" />

     9 </set>